>> NMEA data. Maybe later versions will generate the Garmin native
>> protocol? If not, a smart terminal program and the Garmin manual (you
>> may have to poke about Garmin's website for the appropriate one that
>> details their native protocol, but it is documented) should do the
>> job...
>> I've already got that part working. My program emulates a Garmin GPS for
> testing purposes, and will send and receive position/velocity/time data,
> decode waypoints, and so forth. I just need the virtual serial port
> program to avoid tying up two serial ports and a null modem cable. If it
> works out, it'll open up a lot more options for APRS mapping software,
> even if it's not totally automated.
www.franson.com
They have a 14day trial.
-Tyler